20743 is an odd 5-digits prime number following 20742
and preceding 20744 . In scientific notation, it is written as 2.0743 × 10^4.
The sum of its digits is 16. It has a total of 1 prime factors and 2 positive divisors.
There are 20742 positive integers (up to 20743) that are relatively prime to 20743.
20743 has 2 divisors, whose sum is 20744
The reverse of 20743 is 34702
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 5
Sum of Digits 16
Digital Root 7
Name
twenty thousand seven hundred forty-three
Scientific notation
2.0743 × 10^4
Engineering notation
2.0743 × 10^3
Prime Factorization
20743
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
20743
Product of the distinct prime numbers
The prime factorization of 20743 is 20743.
Since it has a total of 1 prime factors.
1 , 6 , 21 , 31 , 255 , 454 , 9537 , 9038 , 91032 , 20018 , 869250 , 662624 , 9431469 , 248876 , 50649108 , 40380016 , 51714019 , 79078910 , 9253693567 , 6573243863
n×2
41486
n×3
62229
n×4
82972
n×5
103715
n÷2
10371.5
n÷3
6914.3333333333
n÷3
5185.75
n÷5
4148.6
n2
430272049
n3
8925133112407
n4
185134036150658401
n5
3.8402353118731E+21
2 √n
144.02430350465
3 √n
27.476232908548
4 √n
12.001012603304
5 √n
7.3008649239539
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
20744
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10372
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
144.02777509911
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999035865793
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20743 can be divided by 2 positive divisors.
The sum of these divisors (counting 20743) is 20744, the average is 10372.
Base
System
Value
2
Binary
101000100000111
3
Ternary
1001110021
4
Quaternary
11010013
5
Quinary
1130433
6
Senary
240011
8
Octal
50407
10
Decimal
20743
12
Duodecimal
10007
16
Hexadecimal
5107
20
Vigesimal
2bh3
36
Base36
g07
md5
ac1195357ddafa8192abdf6fb2dde004
sha1
d4a3cc49762661e7bde9b8bccc6cd115b3e2549e
sha256
f091087db6275077da6d9f60eae94eab1299af5f0ca8453a5d6f279a0012c400
sha512
9108f3cbe068403e63600375a18ec9cd29abe60248777e42954e7b243fc95a1b2b58c4c3fd2d7af7f269c6c55a9b010a7129880d63b340bb3cb8e87e1fcc8bd7
ripemd-160
587176448d38ca34e2bfc771adcebfc50c9bd6a2
Diameter
41486
Circumference
130332.11282683
Area
1351739508.1834
Volume
37385510157665
Surface area
5406958032.7337
Circumference
130332.11282683
Perimeter
82972
Area
430272049
Diagonal
29335.031924305
Surface area
2581632294
Volume
8925133112407
Space diagonal
35927.929901401
Perimeter
62229
Area
186313262.48619
Altitude
17963.964950701
Surface area
186313262.48619
Volume
1051837024462.6
Height
9778.3439747684